208194640

素因数分解:

$2^4\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{2381}}^1$

素因数の和:3487

約数の個数: 40

約数和(自身を含む): 484698888

約数和(自身を除く): 276504248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1093, 2186, 2381, 4372, 4762, 5465, 8744, 9524, 10930, 11905, 17488, 19048, 21860, 23810, 38096, 43720, 47620, 87440, 95240, 190480, 2602433, 5204866, 10409732, 13012165, 20819464, 26024330, 41638928, 52048660, 104097320, 208194640]

約数ペア:

[(1, 208194640), (2, 104097320), (4, 52048660), (5, 41638928), (8, 26024330), (10, 20819464), (16, 13012165), (20, 10409732), (40, 5204866), (80, 2602433), (1093, 190480), (2186, 95240), (2381, 87440), (4372, 47620), (4762, 43720), (5465, 38096), (8744, 23810), (9524, 21860), (10930, 19048), (11905, 17488)]